diff --git a/django/contrib/admin/templates/admin/login.html b/django/contrib/admin/templates/admin/login.html
index b939c9aac9..7a0d650036 100644
--- a/django/contrib/admin/templates/admin/login.html
+++ b/django/contrib/admin/templates/admin/login.html
@@ -34,7 +34,7 @@
 
 {% if user.is_authenticated %}
 <p class="errornote">
-{% blocktrans with username=request.user.username %}
+{% blocktrans with username=request.user.username trimmed %}
     You are authenticated as {{ username }}, but are not authorized to
     access this page. Would you like to login to a different account?
 {% endblocktrans %}